5 Hardware
PCS-9785 Satellite-Synchronized Clock
5-13
Date: 2014-10-15
CAUTION!
Do
NOT
look into the end of an optical fiber connected to an optical port.
Do
NOT
look into an optical port/connector.
A direct sight to laser light may cause temporary or permanent blindness.
The working mode for idle and the output signal mode can be selected by setting the
corresponding jumpers on the module.
Table 5.6-6 Working mode of NR1217A
Port No.
Jumper
Working Mode (for idle)
Without light
With light
1
J1
1 2 3
1 2 3
2
J2
1 2 3
1 2 3
3
J3
1 2 3
1 2 3
4
J4
1 2 3
1 2 3
5
J5
1 2 3
1 2 3
6
J6
1 2 3
1 2 3
7
J7
1 2 3
1 2 3
8
J8
1 2 3
1 2 3
Table 5.6-7 Output signal mode of NR1217A
Signal mode
Group 1 (Jumper "ON")
Group 2 (Jumper "ON")
PPS
JP20
JP9
PPM
JP21
JP10
IRIG-B
JP22
JP11
PPH
JP23
JP12
Timing message
JP24
JP13
5.6.4 RS-232 (NR1218A)
The COM module NR1218A provides 7 RS-232 serial ports. The No.1~4 ports form the group 1
and the No.5~7 form the group 2.
08020
08020
08020
08020
08020
08020
08020
08020
08020